Home > Search Results: "International Scientific Conference Financial management of firms and financial institutions Ostrava 2015 /10./"
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National Repository of Grey Literature 2 records found  Search took 0.01 seconds. 
The arbitrage inconsistencies of implied volatility extraction in connection to calendar bandwidth
 Vitali, Sebastiano ; Tichý, Tomáš ; Kopa, Miloš
Options are often priced by Black and Scholes model by using artificial (and unobserved) volatility implied by option market prices. Since many options do not have their traded counterparts with the same maturity and moneyness, it is often needed to interpolate the volatility values. The general procedure of implied volatility extraction from market prices and subsequent smoothing can, however, lead to inconsistent values or even arbitrage opportunities. In this paper, a potential arbitrage area is studied in connection with the calendar bandwidth construction.
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Day-ahead bidding on energy markets - a basic model and its extension to bidding curve
 Branda, Martin
Wind resources energy production is highly influenced by uncertain weather conditions. We provide several simple models for bidding on day-ahead energy markets, which take into account the uncertainty. The obtained optimal bids and bidding curve are based not only on the point prediction, but also on the forecasted distribution of generated energy. We relate the resulting problems to two-stage stochastic programs with simple recourse.
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